import sys

rl = lambda: sys.stdin.readline()
n = int(rl())

result_list = []

for i in range(n):
    str_raw = rl().strip()
    str_list = list(str_raw)
    list_count = len(str_list)

    result_even = ""
    result_odd = ""

    for i in range(0, list_count):
        if i % 2 == 0:
            result_even += str_list[i]
        else:
            result_odd += str_list[i]
    result_list.append(result_even + result_odd)

for r in result_list:
    print(r)